We are going to replace 2 reciprocating compressors on a chiller unit. These compressors share a common circuit. Outdoor air cooled condensers, chiller barrels inside below condensers. One contractor wants to install suction accumulators and oil separators. Two other contractors would not bid on either of those items. I'm leaning towards installing accumulators (~8% costlier) and forgetting about separators (~25% costlier). Any suggestions?
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